Question

we move our knees to bend forward​

Answer 1

Answer:

Human knees bend forward rather than backwards (as the back knees of some four-legged animals like horses do) simply because of our evolutionary...

Answer 2

Explanation:

The history of legged animals dates back about 360 million years. These early amphibian-like creatures used knees for locomotion, although they were far slower and less nimble than modern walking animals.